body {
    background-color: #330000;
    color: #fff;
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

header {
    background-color: #660000;
    padding: 20px;
}

h1 {
    margin: 0;
}

main {
    padding: 40px;
}

footer {
    margin-top: 50px;
    padding: 20px;
    background-color: #440000;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    color: #fff;
    background-color: #990000;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: 0.3s;
}

.btn:hover {
    background-color: #cc0000;
}